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Séjour long


Mathematics - Germany

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Mathematical models have been used throughout the history of mathematics, and current research is no exception. These models illustrate discoveries, but also serve as bases for further progress and communication. This project combines collaboration with researchers at the University and ENS Lyon, the contemporaneous development of visual and physical artefacts in parallel with this research, and the display and presentation of classical models from historical collections.

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Laurent Bartholdi studied mathematics and computer science in Geneva, graduating in 2000. Since then, he has held teaching positions in Berkeley, Lausanne and Göttingen, as well as visiting positions in Jerusalem, Brasilia, Graz, Toulouse and Paris. His research focuses on group theory and its applications to geometry, probability, dynamics and theoretical computer science.


  • Laurent Bartholdi, Thorsten Groth, Stefan Halverscheid, and Laila Samuel, Mathematische Modelle zur Entwicklung und Vernetzung von Modulen in der Lehrerbildung, Objekte wissenschaftlicher Sammlungen in der Universitären Lehre: Praxis, Erfahrunges, Perspektiven, 2016, pp. 63–70
  • Laurent Bartholdi, Rostislav I. Grigorchuk, and Zoran Šuniḱ, Branch groups, Handbook of algebra, Vol. 3, North-Holland, Amsterdam, 2003, pp. 989–1112
  • Laurent Bartholdi and Pedro V. Silva, Rational subsets of groups, arXiv:math/1012.1532
  • Laurent Bartholdi and Pedro V. Silva, Groups defined by automata, arXiv: math/1012.1531
  • Laurent Bartholdi and Dzmitry Dudko, Algorithmic aspects of branched coverings, Ann. Fac. Sci. Toulouse, 2017